CWE
416 476 362
Advisory Published

USN-6625-2: Linux kernel (GCP) vulnerabilities

First published: Thu Feb 08 2024(Updated: )

Marek Marczykowski-Górecki discovered that the Xen event channel infrastructure implementation in the Linux kernel contained a race condition. An attacker in a guest VM could possibly use this to cause a denial of service (paravirtualized device unavailability). (CVE-2023-34324) Zheng Wang discovered a use-after-free in the Renesas Ethernet AVB driver in the Linux kernel during device removal. A privileged attacker could use this to cause a denial of service (system crash). (CVE-2023-35827) It was discovered that a race condition existed in the Linux kernel when performing operations with kernel objects, leading to an out-of-bounds write. A local attacker could use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2023-45863) 黄思聪 discovered that the NFC Controller Interface (NCI) implementation in the Linux kernel did not properly handle certain memory allocation failure conditions, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system crash). (CVE-2023-46343)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-5.4.0-1122-gcp<5.4.0-1122.131
5.4.0-1122.131
=20.04
All of
ubuntu/linux-image-gcp-lts-20.04<5.4.0.1122.124
5.4.0.1122.124
=20.04
All of
ubuntu/linux-image-5.4.0-1122-gcp<5.4.0-1122.131~18.04.1
5.4.0-1122.131~18.04.1
=18.04
All of
ubuntu/linux-image-gcp<5.4.0.1122.98
5.4.0.1122.98
=18.04

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